CastleNet Technology (8059) fair value: what the stock is really worth
As of Sep 24, 2026: fair value of CastleNet Technology TWD 33.52, price TWD 17.70, upside +89.4%, quality 57 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
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CastleNet Technology Inc. engages in manufacturing of network communication products in Taiwan, Europe, South America, Japan, and Korea.
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CastleNet Technology Inc. engages in manufacturing of network communication products in Taiwan, Europe, South America, Japan, and Korea. The company offers broadband cable CPE products, including cable modem, modem module, and router, as well as voice gateway; and mesh Wi-Fi system, such as mesh Wi-Fi controller, extender, and remote device management software system. It also provides EMTA/data modem, EMTA and data gateway, ECMM, and other consumer electronics. The company was incorporated in 1998 and is headquartered in New Taipei City, Taiwan. CastleNet Technology Inc. operates as a subsidiary of Kinpo Electronics, Inc.
Stock analysis
CastleNet Technology (8059) currently trades at 17.70 TWD, while our model-based Fair Value estimate is 33.52 TWD, implying the stock looks roughly 47.2% undervalued today.
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Valuation
Bull case: the Growth DCF group reads highest at a median of 176.77 TWD per share, and 6 of the 7 models we run sit above the 17.70 TWD price.
Bear case: the Asset-Based group reads lowest at 3.85 TWD, and 1 of the 7 models stay below the price. Evidence for this calculation is low.
Scenario range: 21.31 TWD (bear) to 57.74 TWD (bull), the price of 17.70 TWD sits below it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 57/100 (solid quality), in the Technology sector.
Mixed Growth: Revenue is growing, but margins or cash flow do not fully confirm the trend.
CastleNet Technology reported revenue of 7.6B TWD in FY2025 versus 1.7B TWD in FY2021, a compound +45.8%/yr. Reported net income was −463M TWD in FY2025.
Key figures
Market cap 3.4B TWD (≈ $108M) · P/S ratio 0.26 · EPS (TTM) −1.12 TWD · Net margin −6.1% · Return on equity −7.5% · Return on assets (EBIT) −5.2% · Operating margin −0.9% · Revenue (TTM) 10.8B TWD.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 32 out of 100 (low confidence).
What moves the price
The share trades about 63% below its 52-week high and 1% above its 52-week low, currently below its 200-day average.
For context, the median of 10 Technology peers we cover trades at −62% fair-value upside, at 89%, 8059 screens cheaper than that median.
Fair Value models
Bear 21.31 TWDFair Value 33.52 TWDBull 57.74 TWD
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above is their evidence-weighted blend, not the output of a single model.Bear ⓘBear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull ⓘBull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. If a model's bull case is above four times its base value, the table shows that limit with a > sign (like the overall Bull above): beyond it no assumption holds.Evidence ⓘEvidence = how well-backed THIS model's estimate is for this stock (0–100): how complete and reliable its input data are, and how well the model fits the company. The final Fair Value is an evidence-weighted blend, so better-evidenced models count more. Green ≥70, amber 50–69, grey below 50.
Growth Quality ⓘGrowth is valuable only when reinvestment earns attractive returns (Aswath Damodaran): sustainable growth depends on return on capital, reinvestment and efficiency. Basis: total company revenue over the periods shown on the cards (3Y/5Y/all years), not per share, so a merger can show up as a growth jump; per-share earnings growth is in the value-creation card.67/100
Revenue is growing, but margins or cash flow do not fully confirm the trend.
Revenue growth 1 year
+1,760.0%
Revenue growth 3 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+88.3%
Revenue growth 5 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+42.6%
Start year 2020 (pandemic)
Revenue growth 9 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+24.3%
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Profit margin (trend) ⓘOperating margin then vs now, from reported annual statements. A falling margin after a boom year is the classic peak-earnings signal: the growth rate then leans on an inflated base.
−5.1% (2020) → −2.9% (2025)
What shareholders gained per year ⓘWe only publish this rate when it is defensible. Reason: fiscal 2025 is a loss year, no rate is defined from a loss
Price, fair value, quality and upside side by side.
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Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Communication Equipment · 310 stocks
Beats the industry median on 7/10 measures
Overall it ranks above its industry peers.
Valuation
Quality Score57 · Above median
Fair Value upside+89.4% · Top 25%
Profitability
Return on assets0.3% · Below median
Net margin (TTM)−1.5% · Below median
Operating margin (TTM)−0.9% · Below median
Growth and dividend
Revenue growth76.4% · Top 25%
Balance sheet
Debt / equity0.03× · Below median
Valuation Multiplesvs Communication Equipment median · lower = cheaper
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Cite: Fair Value Calculator (2026). "CastleNet Technology Fair Value". https://www.fairvalue-calculator.com/stock/8059
Frequently asked questions
Is CastleNet Technology (8059) overvalued or undervalued?
As of Sep 28, 2026, our model estimates a fair value of 33.52 TWD versus a price of 17.70 TWD, about +89% upside (undervalued).
What is the fair value of 8059?
Our model-based fair value for CastleNet Technology is 33.52 TWD (as of Sep 28, 2026), built from audited fundamentals. The current price: 17.70 TWD.
What is the quality score of 8059?
CastleNet Technology has a Quality Score of 57/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the price target for CastleNet Technology (8059)?
Our model-based price target is the fair value of 33.52 TWD (as of Sep 28, 2026) from 7 valuation models. Cautious scenario 21.31 TWD, optimistic scenario 57.74 TWD. It is a calculation from audited fundamentals, not an analyst target.
What is the CastleNet Technology stock forecast for 2026?
Our models put fair value at 33.52 TWD, about +89% upside versus a price of 17.70 TWD (undervalued). Cautious scenario 21.31 TWD, optimistic scenario 57.74 TWD. The calculation is refreshed regularly with new filings.
What is the revenue of CastleNet Technology (8059)?
CastleNet Technology reported trailing-twelve-month revenue of about 10.8B TWD (latest available figure, as of Sep 28, 2026).
What is the intrinsic value of CastleNet Technology (8059)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For CastleNet Technology it is 33.52 TWD per share (as of Sep 28, 2026), against a price of 17.70 TWD. It is the blended result of 7 valuation models (cash flow, earnings, asset, dividend).
Is CastleNet Technology stock overvalued or undervalued in 2026?
As of Sep 28, 2026, 8059 trades below its calculated fair value: price 17.70 TWD, fair value 33.52 TWD, a gap of about +89% (undervalued). The calculation is refreshed with each new quarterly report, so the verdict can change during the year.
Is fair value the same as the market price of 8059?
No. The price is what the market pays today (17.70 TWD); the fair value is what the company's own numbers justify (33.52 TWD). For CastleNet Technology the two are 15.82 TWD per share apart. That gap is exactly why we show both numbers side by side.
How much is CastleNet Technology worth?
The market values CastleNet Technology at about 3.4B TWD (market capitalisation, as of Sep 28, 2026). Per share that is 17.70 TWD; our models calculate a fair value of 33.52 TWD per share.
What do the bullish and bearish scenarios say about 8059?
Our models span a range for CastleNet Technology: cautious scenario 21.31 TWD, base 33.52 TWD, optimistic 57.74 TWD per share (as of Sep 28, 2026, price 17.70 TWD). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of CastleNet Technology (8059)?
Balance-sheet figures for CastleNet Technology (as of Sep 28, 2026): return on equity −7.5%, debt of 0.03 per unit of equity. They feed the Quality Score of 57/100, which measures business quality independently of the share price.
How far is 8059 from its 52-week high?
CastleNet Technology trades at 17.70 TWD, about 63% below its 52-week high of 47.91 TWD and 1% above the low of 17.60 TWD (as of Sep 24, 2026). Distance from the high says nothing about value: that is what the fair value of 33.52 TWD is for.
Which stocks are comparable to CastleNet Technology?
From the same area (Technology) we also value Cisco Systems, Inc, Foxconn Industrial Internet Co, Zhongji Innolight Co, Eoptolink Technology Inc, among others. Each of them has its own fair-value calculation on this site using the same models, so the comparison is like for like.
Is CastleNet Technology stock attractive at the current price?
The data as of Sep 28, 2026: price 17.70 TWD, calculated fair value 33.52 TWD (+89%), Quality Score 57/100, from 7 models. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
How is the fair value of 8059 calculated?
We run CastleNet Technology through 7 models from four families: discounted cash flow, earnings models, asset and balance-sheet models, and dividend models. Every model gets the same audited fundamentals; the result is the weighted average of 33.52 TWD, with the spread shown as a cautious and an optimistic scenario.
Is it still worth investing in stocks now?
The global stock market currently sits 16.1 % above its aggregate fair value. CastleNet Technology currently trades 89 % below its own fair value, and the market average says nothing about that. An expensive market is no reason to stay out and no reason to buy everything at once: keep a broad savings plan running, buy single stocks only with money you can do without, and hold part of your money liquid while the market is high. The full picture including sectors is on is it worth investing now.
What is the share price of CastleNet Technology (8059)?
The closing price on Sep 24, 2026 was 17.70 TWD. Our model-based fair value is 33.52 TWD, about +89% upside (undervalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with CastleNet Technology right now?
The price is below even our cautious bear case (21.31 TWD). The market is more pessimistic than our downside scenario. The model range is unusually wide (21.31 TWD to 57.74 TWD). The outcome hinges heavily on assumptions, so read the point estimate with caution. The large gap to fair value rests on thin data (low evidence): fewer applicable models and a shorter history. Read it with extra caution. Solid quality (57/100) at a price below fair value, the discount is the argument here, not the business quality.
Key figures of CastleNet Technology
How large is the market capitalisation of CastleNet Technology (8059)?
The market capitalisation of CastleNet Technology is 3.4B TWD (≈ $108M). The stock-market value of the whole company: share price times number of shares. It is what the market asks for the entire business today.
What is the P/S ratio of CastleNet Technology (8059)?
The price-to-sales ratio of CastleNet Technology is 0.26 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of CastleNet Technology (8059)?
Earnings per share at CastleNet Technology are −1.12 TWD. Earnings per share over the last twelve months: total profit spread across every single share.
What is the net margin of CastleNet Technology (8059)?
The net margin of CastleNet Technology is −6.1% (fiscal year 2025). How much of every unit of revenue ends up as profit. 10% means 10 cents of profit per dollar of sales.
What is the return on equity of CastleNet Technology (8059)?
The return on equity (ROE) of CastleNet Technology is −7.5% (last twelve months). Profit relative to shareholders' equity, how efficiently the company works with its owners' money.
What is the EBIT return on assets of CastleNet Technology (8059)?
On an EBIT basis the return on assets of CastleNet Technology is −5.2% (avg 5y). Operating profit (EBIT) relative to everything the company owns, as a multi-year average. It describes the business model rather than one good or bad year.
What is the operating margin of CastleNet Technology (8059)?
The operating margin of CastleNet Technology is −0.9% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at CastleNet Technology (8059)?
Revenue at CastleNet Technology is growing +76.4% versus a year earlier (3y avg +88.3%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How much free cash flow does CastleNet Technology (8059) generate?
The free cash flow of CastleNet Technology is 1.8B TWD (fiscal year 2025). The cash truly left after running and investing in the business, this is what pays dividends and buybacks.
How much net debt does CastleNet Technology (8059) carry?
The net debt of CastleNet Technology is 3.8M TWD (fiscal year 2025, ≈ 0.0 yrs of FCF). Debt minus cash on hand. The note shows how many years of free cash flow could in theory pay it off.
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